| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.util.cts; |
| |
| import android.test.AndroidTestCase; |
| import android.util.SparseArray; |
| |
| public class SparseArrayTest extends AndroidTestCase { |
| private static final int[] KEYS = {12, 23, 4, 6, 8, 1, 3, -12, 0, -3, 11, 14, -23}; |
| private static final Integer[] VALUES = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}; |
| private static final int LENGTH = VALUES.length; |
| private static final int NON_EXISTED_KEY = 123; |
| private static final Integer VALUE_FOR_NON_EXISTED_KEY = -1; |
| |
| public void testSparseArrayWithDefaultCapacity() { |
| SparseArray<Integer> sparseArray = new SparseArray<Integer>(); |
| assertEquals(0, sparseArray.size()); |
| |
| int length = VALUES.length; |
| |
| for (int i = 0; i < length; i++) { |
| sparseArray.put(KEYS[i], VALUES[i]); |
| assertEquals(i + 1, sparseArray.size()); |
| } |
| |
| for (int i = 0; i < length; i++) { |
| assertEquals(new Integer(i), sparseArray.get(KEYS[i])); |
| } |
| |
| for (int i = 0; i < length; i++) { |
| assertEquals(sparseArray.indexOfValue(VALUES[i]), sparseArray.indexOfKey(KEYS[i])); |
| } |
| |
| // for key already exist, old value will be replaced |
| int existKey = KEYS[0]; |
| Integer oldValue = VALUES[0]; // 0 |
| Integer newValue = 100; |
| assertEquals(oldValue, sparseArray.get(existKey)); |
| assertEquals(LENGTH, sparseArray.size()); |
| sparseArray.put(existKey, newValue); |
| assertEquals(newValue, sparseArray.get(existKey)); |
| assertEquals(LENGTH, sparseArray.size()); |
| |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, |
| sparseArray.get(NON_EXISTED_KEY, VALUE_FOR_NON_EXISTED_KEY)); |
| assertNull(sparseArray.get(NON_EXISTED_KEY)); // the default value is null |
| |
| int size = sparseArray.size(); |
| sparseArray.append(NON_EXISTED_KEY, VALUE_FOR_NON_EXISTED_KEY); |
| assertEquals(size + 1, sparseArray.size()); |
| assertEquals(size, sparseArray.indexOfKey(NON_EXISTED_KEY)); |
| assertEquals(size, sparseArray.indexOfValue(VALUE_FOR_NON_EXISTED_KEY)); |
| assertEquals(NON_EXISTED_KEY, sparseArray.keyAt(size)); |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, sparseArray.valueAt(size)); |
| |
| sparseArray.setValueAt(size, VALUES[1]); |
| assertTrue(VALUE_FOR_NON_EXISTED_KEY != sparseArray.valueAt(size)); |
| assertEquals(VALUES[1], sparseArray.valueAt(size)); |
| |
| size = sparseArray.size(); |
| assertEquals(VALUES[1], sparseArray.get(KEYS[1])); |
| assertFalse(VALUE_FOR_NON_EXISTED_KEY == VALUES[1]); |
| sparseArray.delete(KEYS[1]); |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, |
| sparseArray.get(KEYS[1], VALUE_FOR_NON_EXISTED_KEY)); |
| assertEquals(size - 1, sparseArray.size()); |
| |
| size = sparseArray.size(); |
| assertEquals(VALUES[2], sparseArray.get(KEYS[2])); |
| assertFalse(VALUE_FOR_NON_EXISTED_KEY == VALUES[2]); |
| sparseArray.remove(KEYS[2]); |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, |
| sparseArray.get(KEYS[2], VALUE_FOR_NON_EXISTED_KEY)); |
| assertEquals(size - 1, sparseArray.size()); |
| |
| sparseArray.clear(); |
| assertEquals(0, sparseArray.size()); |
| } |
| |
| public void testSparseArrayWithSpecifiedCapacity() { |
| SparseArray<Integer> sparseArray = new SparseArray<Integer>(5); |
| assertEquals(0, sparseArray.size()); |
| |
| int length = VALUES.length; |
| |
| for (int i = 0; i < length; i++) { |
| sparseArray.put(KEYS[i], VALUES[i]); |
| assertEquals(i + 1, sparseArray.size()); |
| } |
| |
| for (int i = 0; i < length; i++) { |
| assertEquals(VALUES[i], sparseArray.get(KEYS[i])); |
| } |
| |
| for (int i = 0; i < length; i++) { |
| assertEquals(sparseArray.indexOfValue(VALUES[i]), sparseArray.indexOfKey(KEYS[i])); |
| } |
| |
| // for key already exist, old value will be replaced |
| int existKey = KEYS[0]; |
| Integer oldValue = VALUES[0]; // 0 |
| Integer newValue = 100; |
| assertEquals(oldValue, sparseArray.get(existKey)); |
| assertEquals(LENGTH, sparseArray.size()); |
| sparseArray.put(existKey, newValue); |
| assertEquals(newValue, sparseArray.get(existKey)); |
| assertEquals(LENGTH, sparseArray.size()); |
| |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, |
| sparseArray.get(NON_EXISTED_KEY, VALUE_FOR_NON_EXISTED_KEY)); |
| assertNull(sparseArray.get(NON_EXISTED_KEY)); // the default value is null |
| |
| int size = sparseArray.size(); |
| sparseArray.append(NON_EXISTED_KEY, VALUE_FOR_NON_EXISTED_KEY); |
| assertEquals(size + 1, sparseArray.size()); |
| assertEquals(size, sparseArray.indexOfKey(NON_EXISTED_KEY)); |
| assertEquals(size, sparseArray.indexOfValue(VALUE_FOR_NON_EXISTED_KEY)); |
| assertEquals(NON_EXISTED_KEY, sparseArray.keyAt(size)); |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, sparseArray.valueAt(size)); |
| |
| sparseArray.setValueAt(size, VALUES[1]); |
| assertTrue(VALUE_FOR_NON_EXISTED_KEY != sparseArray.valueAt(size)); |
| assertEquals(VALUES[1], sparseArray.valueAt(size)); |
| |
| size = sparseArray.size(); |
| assertEquals(VALUES[1], sparseArray.get(KEYS[1])); |
| assertFalse(VALUE_FOR_NON_EXISTED_KEY == VALUES[1]); |
| sparseArray.delete(KEYS[1]); |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, |
| sparseArray.get(KEYS[1], VALUE_FOR_NON_EXISTED_KEY)); |
| assertEquals(size - 1, sparseArray.size()); |
| |
| size = sparseArray.size(); |
| assertEquals(VALUES[2], sparseArray.get(KEYS[2])); |
| assertFalse(VALUE_FOR_NON_EXISTED_KEY == VALUES[2]); |
| sparseArray.remove(KEYS[2]); |
| assertEquals(VALUE_FOR_NON_EXISTED_KEY, |
| sparseArray.get(KEYS[2], VALUE_FOR_NON_EXISTED_KEY)); |
| assertEquals(size - 1, sparseArray.size()); |
| |
| sparseArray.clear(); |
| assertEquals(0, sparseArray.size()); |
| } |
| } |